Scythe 120mm fans have become the de facto choice for SPCR users in the know in recent months, particularly the Slip Stream series. The brand offers more 120mm fan lines than any other in the computer DIY market. We tackle the Slip Streams, Kama PWMs, and the Ultra Kazes in a massive Scythe-attack. Precise airflow and noise measurements, along with subjective analysis oif each fan at every speed: It's another SPCR fan roundup.